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authorWolfgang Denk <wd@denx.de>2011-10-26 10:21:22 +0000
committerWolfgang Denk <wd@denx.de>2011-10-27 23:53:59 +0200
commit1ebcd6547f342900ed7face567e4a27c78a02945 (patch)
tree4d910f4c3e1caec93d6cad53e88e14ba63286afe /README
parentc0f40859f9a5a9791f621c4fd0d1a028f6415579 (diff)
README: improve documentation of network related CONFIG_ settings
Add documentation for CONFIG_GATEWAYIP and CONFIG_NETMASK; also add information which environment variables are set. Signed-off-by: Wolfgang Denk <wd@denx.de> Acked-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'README')
-rw-r--r--README19
1 files changed, 19 insertions, 0 deletions
diff --git a/README b/README
index 9e0ab5860ce..60a105fb1b3 100644
--- a/README
+++ b/README
@@ -1432,18 +1432,37 @@ The following options need to be configured:
Define a default value for the IP address to use for
the default Ethernet interface, in case this is not
determined through e.g. bootp.
+ (Environment variable "ipaddr")
- Server IP address:
CONFIG_SERVERIP
Defines a default value for the IP address of a TFTP
server to contact when using the "tftboot" command.
+ (Environment variable "serverip")
CONFIG_KEEP_SERVERADDR
Keeps the server's MAC address, in the env 'serveraddr'
for passing to bootargs (like Linux's netconsole option)
+- Gateway IP address:
+ CONFIG_GATEWAYIP
+
+ Defines a default value for the IP address of the
+ default router where packets to other networks are
+ sent to.
+ (Environment variable "gatewayip")
+
+- Subnet mask:
+ CONFIG_NETMASK
+
+ Defines a default value for the subnet mask (or
+ routing prefix) which is used to determine if an IP
+ address belongs to the local subnet or needs to be
+ forwarded through a router.
+ (Environment variable "netmask")
+
- Multicast TFTP Mode:
CONFIG_MCAST_TFTP